# -*- coding:UTF-8 -*-
import time,copy
if __name__ == '__main__':
	print time.time()
	print float(int(4)/int(3))
	l1 = [1,2,3,4]
	l2 = list(l1)
	l2.append(5)
	print l1,'\t',l2
	l3 = [1,[2],3,4]
	l4 = list(l3) # 快速地浅拷贝
	l5 = copy.copy(l3) # 浅拷贝
	l6 = copy.deepcopy(l3) # 深拷贝
	l4[1].append(5)
	print l3,'\t',l4,'\t',l5,'\t',l6
